Pith Number

pith:KSAGXGVI

pith:2019:KSAGXGVIP4V2PKH42OBDHDBOHP

not attested not anchored not stored refs pending

A procedure for making high dynamic-range radio images: Deep imaging of the kiloparsec-scale radio structures of a distant blazar, NRAO 530, with JVLA data

Jun-Hui Zhao, Mark R. Morris, W. M. Goss

arxiv:1903.08586 v1 · 2019-03-20 · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KSAGXGVIP4V2PKH42OBDHDBOHP}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-17T23:47:16.717942Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

54806b9aa87f2ba7a8fcd382338c2e3bc9c99167e3e9b77d73856afe93e53830

Aliases

arxiv: 1903.08586 · arxiv_version: 1903.08586v1 · doi: 10.48550/arxiv.1903.08586 · pith_short_12: KSAGXGVIP4V2 · pith_short_16: KSAGXGVIP4V2PKH4 · pith_short_8: KSAGXGVI

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/KSAGXGVIP4V2PKH42OBDHDBOHP \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 54806b9aa87f2ba7a8fcd382338c2e3bc9c99167e3e9b77d73856afe93e53830

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "03faefa55d983b700dc2e1bfb9a7bbfb2682d4ae9478b48b6469d4a46ae0f26b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-03-20T16:14:23Z",
    "title_canon_sha256": "a5e67b5b289b10291a67f348f81e2d078b21a93c651a11d0907138583111bd34"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.08586",
    "kind": "arxiv",
    "version": 1
  }
}